China's rise and its challenges, the emergence of robotics as a major economic force, Greece's fiscal woes, and the threat posed by a warming climate are among the most important things happening in the world today.
The Founders knew defense was important, which is why they made it a central part of the governmentâs. In his paper, âThe Price of Liberty: Providing for the Common Defense,â Matthew Spalding explains: It is the constitutional duty of the federal government to secure the countryâs international borders and preserve and protect its territorial integrity, to strengthen and preserve its constitutional government, and to promote the long-term prosperity and well-being of its people.
Nonspecific Mechanisms of Defense. Nonspecific Mechanisms of Defense. The body possesses many mechanisms that impart nonspecific defense. The objectives of these mechanisms are to prevent microorganisms from gaining a foothold in the body and to destroy them if they penetrate to the deeper tissues. Mechanical barriers. Mechanical barriers at the portal of entry represent the first line of defense for the body.